sasd_drive
extern struct sasd_drive *sasd_drive(int);
if (!(sl = sasd_dev_slink(i)) || !(sd = sasd_drive(i)))
if (!(sl = sasd_dev_slink(i)) || !(sd = sasd_drive(i)))
sd = sasd_drive(i);
if ((sd = sasd_drive(entry)) != 0)
extern sasd_drive_t *sasd_drive(int);